<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="de_DE" lang="de_DE">
<head>
<meta http-equiv="content-type" content="text/html; charset=UTF-8" />
<title>HttpMessageDecoder xref</title>
<link type="text/css" rel="stylesheet" href="../../../../../../stylesheet.css" />
</head>
<body>
<div id="overview"><a href="../../../../../../../api/org/jboss/netty/handler/codec/http/HttpMessageDecoder.html">View Javadoc</a></div><pre>

<a class="jxr_linenumber" name="1" href="#1">1</a>   <em class="jxr_comment">/*</em>
<a class="jxr_linenumber" name="2" href="#2">2</a>   <em class="jxr_comment"> * Copyright 2012 The Netty Project</em>
<a class="jxr_linenumber" name="3" href="#3">3</a>   <em class="jxr_comment"> *</em>
<a class="jxr_linenumber" name="4" href="#4">4</a>   <em class="jxr_comment"> * The Netty Project licenses this file to you under the Apache License,</em>
<a class="jxr_linenumber" name="5" href="#5">5</a>   <em class="jxr_comment"> * version 2.0 (the "License"); you may not use this file except in compliance</em>
<a class="jxr_linenumber" name="6" href="#6">6</a>   <em class="jxr_comment"> * with the License. You may obtain a copy of the License at:</em>
<a class="jxr_linenumber" name="7" href="#7">7</a>   <em class="jxr_comment"> *</em>
<a class="jxr_linenumber" name="8" href="#8">8</a>   <em class="jxr_comment"> *   <a href="http://www.apache.org/licenses/LICENSE-2.0" target="alexandria_uri">http://www.apache.org/licenses/LICENSE-2.0</a></em>
<a class="jxr_linenumber" name="9" href="#9">9</a>   <em class="jxr_comment"> *</em>
<a class="jxr_linenumber" name="10" href="#10">10</a>  <em class="jxr_comment"> * Unless required by applicable law or agreed to in writing, software</em>
<a class="jxr_linenumber" name="11" href="#11">11</a>  <em class="jxr_comment"> * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT</em>
<a class="jxr_linenumber" name="12" href="#12">12</a>  <em class="jxr_comment"> * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the</em>
<a class="jxr_linenumber" name="13" href="#13">13</a>  <em class="jxr_comment"> * License for the specific language governing permissions and limitations</em>
<a class="jxr_linenumber" name="14" href="#14">14</a>  <em class="jxr_comment"> * under the License.</em>
<a class="jxr_linenumber" name="15" href="#15">15</a>  <em class="jxr_comment"> */</em>
<a class="jxr_linenumber" name="16" href="#16">16</a>  <strong class="jxr_keyword">package</strong> org.jboss.netty.handler.codec.http;
<a class="jxr_linenumber" name="17" href="#17">17</a>  
<a class="jxr_linenumber" name="18" href="#18">18</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.buffer.ChannelBuffer;
<a class="jxr_linenumber" name="19" href="#19">19</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.buffer.ChannelBuffers;
<a class="jxr_linenumber" name="20" href="#20">20</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.channel.Channel;
<a class="jxr_linenumber" name="21" href="#21">21</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.channel.ChannelHandlerContext;
<a class="jxr_linenumber" name="22" href="#22">22</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.channel.ChannelPipeline;
<a class="jxr_linenumber" name="23" href="#23">23</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.handler.codec.frame.TooLongFrameException;
<a class="jxr_linenumber" name="24" href="#24">24</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.handler.codec.replay.ReplayingDecoder;
<a class="jxr_linenumber" name="25" href="#25">25</a>  
<a class="jxr_linenumber" name="26" href="#26">26</a>  <strong class="jxr_keyword">import</strong> java.util.List;
<a class="jxr_linenumber" name="27" href="#27">27</a>  
<a class="jxr_linenumber" name="28" href="#28">28</a>  <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="29" href="#29">29</a>  <em class="jxr_javadoccomment"> * Decodes {@link ChannelBuffer}s into {@link HttpMessage}s and</em>
<a class="jxr_linenumber" name="30" href="#30">30</a>  <em class="jxr_javadoccomment"> * {@link HttpChunk}s.</em>
<a class="jxr_linenumber" name="31" href="#31">31</a>  <em class="jxr_javadoccomment"> *</em>
<a class="jxr_linenumber" name="32" href="#32">32</a>  <em class="jxr_javadoccomment"> * &lt;h3&gt;Parameters that prevents excessive memory consumption&lt;/h3&gt;</em>
<a class="jxr_linenumber" name="33" href="#33">33</a>  <em class="jxr_javadoccomment"> * &lt;table border="1"&gt;</em>
<a class="jxr_linenumber" name="34" href="#34">34</a>  <em class="jxr_javadoccomment"> * &lt;tr&gt;</em>
<a class="jxr_linenumber" name="35" href="#35">35</a>  <em class="jxr_javadoccomment"> * &lt;th&gt;Name&lt;/th&gt;&lt;th&gt;Meaning&lt;/th&gt;</em>
<a class="jxr_linenumber" name="36" href="#36">36</a>  <em class="jxr_javadoccomment"> * &lt;/tr&gt;</em>
<a class="jxr_linenumber" name="37" href="#37">37</a>  <em class="jxr_javadoccomment"> * &lt;tr&gt;</em>
<a class="jxr_linenumber" name="38" href="#38">38</a>  <em class="jxr_javadoccomment"> * &lt;td&gt;{@code maxInitialLineLength}&lt;/td&gt;</em>
<a class="jxr_linenumber" name="39" href="#39">39</a>  <em class="jxr_javadoccomment"> * &lt;td&gt;The maximum length of the initial line</em>
<a class="jxr_linenumber" name="40" href="#40">40</a>  <em class="jxr_javadoccomment"> *     (e.g. {@code "GET / HTTP/1.0"} or {@code "HTTP/1.0 200 OK"})</em>
<a class="jxr_linenumber" name="41" href="#41">41</a>  <em class="jxr_javadoccomment"> *     If the length of the initial line exceeds this value, a</em>
<a class="jxr_linenumber" name="42" href="#42">42</a>  <em class="jxr_javadoccomment"> *     {@link TooLongFrameException} will be raised.&lt;/td&gt;</em>
<a class="jxr_linenumber" name="43" href="#43">43</a>  <em class="jxr_javadoccomment"> * &lt;/tr&gt;</em>
<a class="jxr_linenumber" name="44" href="#44">44</a>  <em class="jxr_javadoccomment"> * &lt;tr&gt;</em>
<a class="jxr_linenumber" name="45" href="#45">45</a>  <em class="jxr_javadoccomment"> * &lt;td&gt;{@code maxHeaderSize}&lt;/td&gt;</em>
<a class="jxr_linenumber" name="46" href="#46">46</a>  <em class="jxr_javadoccomment"> * &lt;td&gt;The maximum length of all headers.  If the sum of the length of each</em>
<a class="jxr_linenumber" name="47" href="#47">47</a>  <em class="jxr_javadoccomment"> *     header exceeds this value, a {@link TooLongFrameException} will be raised.&lt;/td&gt;</em>
<a class="jxr_linenumber" name="48" href="#48">48</a>  <em class="jxr_javadoccomment"> * &lt;/tr&gt;</em>
<a class="jxr_linenumber" name="49" href="#49">49</a>  <em class="jxr_javadoccomment"> * &lt;tr&gt;</em>
<a class="jxr_linenumber" name="50" href="#50">50</a>  <em class="jxr_javadoccomment"> * &lt;td&gt;{@code maxChunkSize}&lt;/td&gt;</em>
<a class="jxr_linenumber" name="51" href="#51">51</a>  <em class="jxr_javadoccomment"> * &lt;td&gt;The maximum length of the content or each chunk.  If the content length</em>
<a class="jxr_linenumber" name="52" href="#52">52</a>  <em class="jxr_javadoccomment"> *     (or the length of each chunk) exceeds this value, the content or chunk</em>
<a class="jxr_linenumber" name="53" href="#53">53</a>  <em class="jxr_javadoccomment"> *     will be split into multiple {@link HttpChunk}s whose length is</em>
<a class="jxr_linenumber" name="54" href="#54">54</a>  <em class="jxr_javadoccomment"> *     {@code maxChunkSize} at maximum.&lt;/td&gt;</em>
<a class="jxr_linenumber" name="55" href="#55">55</a>  <em class="jxr_javadoccomment"> * &lt;/tr&gt;</em>
<a class="jxr_linenumber" name="56" href="#56">56</a>  <em class="jxr_javadoccomment"> * &lt;/table&gt;</em>
<a class="jxr_linenumber" name="57" href="#57">57</a>  <em class="jxr_javadoccomment"> *</em>
<a class="jxr_linenumber" name="58" href="#58">58</a>  <em class="jxr_javadoccomment"> * &lt;h3&gt;Chunked Content&lt;/h3&gt;</em>
<a class="jxr_linenumber" name="59" href="#59">59</a>  <em class="jxr_javadoccomment"> *</em>
<a class="jxr_linenumber" name="60" href="#60">60</a>  <em class="jxr_javadoccomment"> * If the content of an HTTP message is greater than {@code maxChunkSize} or</em>
<a class="jxr_linenumber" name="61" href="#61">61</a>  <em class="jxr_javadoccomment"> * the transfer encoding of the HTTP message is 'chunked', this decoder</em>
<a class="jxr_linenumber" name="62" href="#62">62</a>  <em class="jxr_javadoccomment"> * generates one {@link HttpMessage} instance and its following</em>
<a class="jxr_linenumber" name="63" href="#63">63</a>  <em class="jxr_javadoccomment"> * {@link HttpChunk}s per single HTTP message to avoid excessive memory</em>
<a class="jxr_linenumber" name="64" href="#64">64</a>  <em class="jxr_javadoccomment"> * consumption. For example, the following HTTP message:</em>
<a class="jxr_linenumber" name="65" href="#65">65</a>  <em class="jxr_javadoccomment"> * &lt;pre&gt;</em>
<a class="jxr_linenumber" name="66" href="#66">66</a>  <em class="jxr_javadoccomment"> * GET / HTTP/1.1</em>
<a class="jxr_linenumber" name="67" href="#67">67</a>  <em class="jxr_javadoccomment"> * Transfer-Encoding: chunked</em>
<a class="jxr_linenumber" name="68" href="#68">68</a>  <em class="jxr_javadoccomment"> *</em>
<a class="jxr_linenumber" name="69" href="#69">69</a>  <em class="jxr_javadoccomment"> * 1a</em>
<a class="jxr_linenumber" name="70" href="#70">70</a>  <em class="jxr_javadoccomment"> * abcdefghijklmnopqrstuvwxyz</em>
<a class="jxr_linenumber" name="71" href="#71">71</a>  <em class="jxr_javadoccomment"> * 10</em>
<a class="jxr_linenumber" name="72" href="#72">72</a>  <em class="jxr_javadoccomment"> * 1234567890abcdef</em>
<a class="jxr_linenumber" name="73" href="#73">73</a>  <em class="jxr_javadoccomment"> * 0</em>
<a class="jxr_linenumber" name="74" href="#74">74</a>  <em class="jxr_javadoccomment"> * Content-MD5: ...</em>
<a class="jxr_linenumber" name="75" href="#75">75</a>  <em class="jxr_javadoccomment"> * &lt;i&gt;[blank line]&lt;/i&gt;</em>
<a class="jxr_linenumber" name="76" href="#76">76</a>  <em class="jxr_javadoccomment"> * &lt;/pre&gt;</em>
<a class="jxr_linenumber" name="77" href="#77">77</a>  <em class="jxr_javadoccomment"> * triggers {@link HttpRequestDecoder} to generate 4 objects:</em>
<a class="jxr_linenumber" name="78" href="#78">78</a>  <em class="jxr_javadoccomment"> * &lt;ol&gt;</em>
<a class="jxr_linenumber" name="79" href="#79">79</a>  <em class="jxr_javadoccomment"> * &lt;li&gt;An {@link HttpRequest} whose {@link HttpMessage#isChunked() chunked}</em>
<a class="jxr_linenumber" name="80" href="#80">80</a>  <em class="jxr_javadoccomment"> *     property is {@code true},&lt;/li&gt;</em>
<a class="jxr_linenumber" name="81" href="#81">81</a>  <em class="jxr_javadoccomment"> * &lt;li&gt;The first {@link HttpChunk} whose content is {@code 'abcdefghijklmnopqrstuvwxyz'},&lt;/li&gt;</em>
<a class="jxr_linenumber" name="82" href="#82">82</a>  <em class="jxr_javadoccomment"> * &lt;li&gt;The second {@link HttpChunk} whose content is {@code '1234567890abcdef'}, and&lt;/li&gt;</em>
<a class="jxr_linenumber" name="83" href="#83">83</a>  <em class="jxr_javadoccomment"> * &lt;li&gt;An {@link HttpChunkTrailer} which marks the end of the content.&lt;/li&gt;</em>
<a class="jxr_linenumber" name="84" href="#84">84</a>  <em class="jxr_javadoccomment"> * &lt;/ol&gt;</em>
<a class="jxr_linenumber" name="85" href="#85">85</a>  <em class="jxr_javadoccomment"> *</em>
<a class="jxr_linenumber" name="86" href="#86">86</a>  <em class="jxr_javadoccomment"> * If you prefer not to handle {@link HttpChunk}s by yourself for your</em>
<a class="jxr_linenumber" name="87" href="#87">87</a>  <em class="jxr_javadoccomment"> * convenience, insert {@link HttpChunkAggregator} after this decoder in the</em>
<a class="jxr_linenumber" name="88" href="#88">88</a>  <em class="jxr_javadoccomment"> * {@link ChannelPipeline}.  However, please note that your server might not</em>
<a class="jxr_linenumber" name="89" href="#89">89</a>  <em class="jxr_javadoccomment"> * be as memory efficient as without the aggregator.</em>
<a class="jxr_linenumber" name="90" href="#90">90</a>  <em class="jxr_javadoccomment"> *</em>
<a class="jxr_linenumber" name="91" href="#91">91</a>  <em class="jxr_javadoccomment"> * &lt;h3&gt;Extensibility&lt;/h3&gt;</em>
<a class="jxr_linenumber" name="92" href="#92">92</a>  <em class="jxr_javadoccomment"> *</em>
<a class="jxr_linenumber" name="93" href="#93">93</a>  <em class="jxr_javadoccomment"> * Please note that this decoder is designed to be extended to implement</em>
<a class="jxr_linenumber" name="94" href="#94">94</a>  <em class="jxr_javadoccomment"> * a protocol derived from HTTP, such as</em>
<a class="jxr_linenumber" name="95" href="#95">95</a>  <em class="jxr_javadoccomment"> * &lt;a href="<a href="http://en.wikipedia.org/wiki/Real_Time_Streaming_Protocol" target="alexandria_uri">http://en.wikipedia.org/wiki/Real_Time_Streaming_Protocol</a>"&gt;RTSP&lt;/a&gt; and</em>
<a class="jxr_linenumber" name="96" href="#96">96</a>  <em class="jxr_javadoccomment"> * &lt;a href="<a href="http://en.wikipedia.org/wiki/Internet_Content_Adaptation_Protocol" target="alexandria_uri">http://en.wikipedia.org/wiki/Internet_Content_Adaptation_Protocol</a>"&gt;ICAP&lt;/a&gt;.</em>
<a class="jxr_linenumber" name="97" href="#97">97</a>  <em class="jxr_javadoccomment"> * To implement the decoder of such a derived protocol, extend this class and</em>
<a class="jxr_linenumber" name="98" href="#98">98</a>  <em class="jxr_javadoccomment"> * implement all abstract methods properly.</em>
<a class="jxr_linenumber" name="99" href="#99">99</a>  <em class="jxr_javadoccomment"> * @apiviz.landmark</em>
<a class="jxr_linenumber" name="100" href="#100">100</a> <em class="jxr_javadoccomment"> */</em>
<a class="jxr_linenumber" name="101" href="#101">101</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">abstract</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../../org/jboss/netty/handler/codec/http/HttpMessageDecoder.html">HttpMessageDecoder</a> <strong class="jxr_keyword">extends</strong> ReplayingDecoder&lt;HttpMessageDecoder.State&gt; {
<a class="jxr_linenumber" name="102" href="#102">102</a> 
<a class="jxr_linenumber" name="103" href="#103">103</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> maxInitialLineLength;
<a class="jxr_linenumber" name="104" href="#104">104</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> maxHeaderSize;
<a class="jxr_linenumber" name="105" href="#105">105</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> maxChunkSize;
<a class="jxr_linenumber" name="106" href="#106">106</a>     <strong class="jxr_keyword">private</strong> <a href="../../../../../../org/jboss/netty/handler/codec/http/HttpMessage.html">HttpMessage</a> message;
<a class="jxr_linenumber" name="107" href="#107">107</a>     <strong class="jxr_keyword">private</strong> <a href="../../../../../../org/jboss/netty/buffer/ChannelBuffer.html">ChannelBuffer</a> content;
<a class="jxr_linenumber" name="108" href="#108">108</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">long</strong> chunkSize;
<a class="jxr_linenumber" name="109" href="#109">109</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">int</strong> headerSize;
<a class="jxr_linenumber" name="110" href="#110">110</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">int</strong> contentRead;
<a class="jxr_linenumber" name="111" href="#111">111</a> 
<a class="jxr_linenumber" name="112" href="#112">112</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="113" href="#113">113</a> <em class="jxr_javadoccomment">     * The internal state of {@link HttpMessageDecoder}.</em>
<a class="jxr_linenumber" name="114" href="#114">114</a> <em class="jxr_javadoccomment">     * &lt;em&gt;Internal use only&lt;/em&gt;.</em>
<a class="jxr_linenumber" name="115" href="#115">115</a> <em class="jxr_javadoccomment">     * @apiviz.exclude</em>
<a class="jxr_linenumber" name="116" href="#116">116</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="117" href="#117">117</a>     <strong class="jxr_keyword">protected</strong> enum <a href="../../../../../../org/jboss/netty/handler/codec/http/HttpMessageDecoder.html">State</a> {
<a class="jxr_linenumber" name="118" href="#118">118</a>         SKIP_CONTROL_CHARS,
<a class="jxr_linenumber" name="119" href="#119">119</a>         READ_INITIAL,
<a class="jxr_linenumber" name="120" href="#120">120</a>         READ_HEADER,
<a class="jxr_linenumber" name="121" href="#121">121</a>         READ_VARIABLE_LENGTH_CONTENT,
<a class="jxr_linenumber" name="122" href="#122">122</a>         READ_VARIABLE_LENGTH_CONTENT_AS_CHUNKS,
<a class="jxr_linenumber" name="123" href="#123">123</a>         READ_FIXED_LENGTH_CONTENT,
<a class="jxr_linenumber" name="124" href="#124">124</a>         READ_FIXED_LENGTH_CONTENT_AS_CHUNKS,
<a class="jxr_linenumber" name="125" href="#125">125</a>         READ_CHUNK_SIZE,
<a class="jxr_linenumber" name="126" href="#126">126</a>         READ_CHUNKED_CONTENT,
<a class="jxr_linenumber" name="127" href="#127">127</a>         READ_CHUNKED_CONTENT_AS_CHUNKS,
<a class="jxr_linenumber" name="128" href="#128">128</a>         READ_CHUNK_DELIMITER,
<a class="jxr_linenumber" name="129" href="#129">129</a>         READ_CHUNK_FOOTER
<a class="jxr_linenumber" name="130" href="#130">130</a>     }
<a class="jxr_linenumber" name="131" href="#131">131</a> 
<a class="jxr_linenumber" name="132" href="#132">132</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="133" href="#133">133</a> <em class="jxr_javadoccomment">     * Creates a new instance with the default</em>
<a class="jxr_linenumber" name="134" href="#134">134</a> <em class="jxr_javadoccomment">     * {@code maxInitialLineLength (4096}}, {@code maxHeaderSize (8192)}, and</em>
<a class="jxr_linenumber" name="135" href="#135">135</a> <em class="jxr_javadoccomment">     * {@code maxChunkSize (8192)}.</em>
<a class="jxr_linenumber" name="136" href="#136">136</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="137" href="#137">137</a>     <strong class="jxr_keyword">protected</strong> <a href="../../../../../../org/jboss/netty/handler/codec/http/HttpMessageDecoder.html">HttpMessageDecoder</a>() {
<a class="jxr_linenumber" name="138" href="#138">138</a>         <strong class="jxr_keyword">this</strong>(4096, 8192, 8192);
<a class="jxr_linenumber" name="139" href="#139">139</a>     }
<a class="jxr_linenumber" name="140" href="#140">140</a> 
<a class="jxr_linenumber" name="141" href="#141">141</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="142" href="#142">142</a> <em class="jxr_javadoccomment">     * Creates a new instance with the specified parameters.</em>
<a class="jxr_linenumber" name="143" href="#143">143</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="144" href="#144">144</a>     <strong class="jxr_keyword">protected</strong> <a href="../../../../../../org/jboss/netty/handler/codec/http/HttpMessageDecoder.html">HttpMessageDecoder</a>(
<a class="jxr_linenumber" name="145" href="#145">145</a>             <strong class="jxr_keyword">int</strong> maxInitialLineLength, <strong class="jxr_keyword">int</strong> maxHeaderSize, <strong class="jxr_keyword">int</strong> maxChunkSize) {
<a class="jxr_linenumber" name="146" href="#146">146</a> 
<a class="jxr_linenumber" name="147" href="#147">147</a>         <strong class="jxr_keyword">super</strong>(State.SKIP_CONTROL_CHARS, <strong class="jxr_keyword">true</strong>);
<a class="jxr_linenumber" name="148" href="#148">148</a> 
<a class="jxr_linenumber" name="149" href="#149">149</a>         <strong class="jxr_keyword">if</strong> (maxInitialLineLength &lt;= 0) {
<a class="jxr_linenumber" name="150" href="#150">150</a>             <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IllegalArgumentException(
<a class="jxr_linenumber" name="151" href="#151">151</a>                     <span class="jxr_string">"maxInitialLineLength must be a positive integer: "</span> +
<a class="jxr_linenumber" name="152" href="#152">152</a>                     maxInitialLineLength);
<a class="jxr_linenumber" name="153" href="#153">153</a>         }
<a class="jxr_linenumber" name="154" href="#154">154</a>         <strong class="jxr_keyword">if</strong> (maxHeaderSize &lt;= 0) {
<a class="jxr_linenumber" name="155" href="#155">155</a>             <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IllegalArgumentException(
<a class="jxr_linenumber" name="156" href="#156">156</a>                     <span class="jxr_string">"maxHeaderSize must be a positive integer: "</span> +
<a class="jxr_linenumber" name="157" href="#157">157</a>                     maxHeaderSize);
<a class="jxr_linenumber" name="158" href="#158">158</a>         }
<a class="jxr_linenumber" name="159" href="#159">159</a>         <strong class="jxr_keyword">if</strong> (maxChunkSize &lt; 0) {
<a class="jxr_linenumber" name="160" href="#160">160</a>             <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IllegalArgumentException(
<a class="jxr_linenumber" name="161" href="#161">161</a>                     <span class="jxr_string">"maxChunkSize must be a positive integer: "</span> +
<a class="jxr_linenumber" name="162" href="#162">162</a>                     maxChunkSize);
<a class="jxr_linenumber" name="163" href="#163">163</a>         }
<a class="jxr_linenumber" name="164" href="#164">164</a>         <strong class="jxr_keyword">this</strong>.maxInitialLineLength = maxInitialLineLength;
<a class="jxr_linenumber" name="165" href="#165">165</a>         <strong class="jxr_keyword">this</strong>.maxHeaderSize = maxHeaderSize;
<a class="jxr_linenumber" name="166" href="#166">166</a>         <strong class="jxr_keyword">this</strong>.maxChunkSize = maxChunkSize;
<a class="jxr_linenumber" name="167" href="#167">167</a>     }
<a class="jxr_linenumber" name="168" href="#168">168</a> 
<a class="jxr_linenumber" name="169" href="#169">169</a>     @Override
<a class="jxr_linenumber" name="170" href="#170">170</a>     <strong class="jxr_keyword">protected</strong> Object decode(
<a class="jxr_linenumber" name="171" href="#171">171</a>             <a href="../../../../../../org/jboss/netty/channel/ChannelHandlerContext.html">ChannelHandlerContext</a> ctx, <a href="../../../../../../org/jboss/netty/channel/Channel.html">Channel</a> channel, <a href="../../../../../../org/jboss/netty/buffer/ChannelBuffer.html">ChannelBuffer</a> buffer, <a href="../../../../../../org/jboss/netty/handler/codec/http/HttpMessageDecoder.html">State</a> state) <strong class="jxr_keyword">throws</strong> Exception {
<a class="jxr_linenumber" name="172" href="#172">172</a>         <strong class="jxr_keyword">switch</strong> (state) {
<a class="jxr_linenumber" name="173" href="#173">173</a>         <strong class="jxr_keyword">case</strong> SKIP_CONTROL_CHARS: {
<a class="jxr_linenumber" name="174" href="#174">174</a>             <strong class="jxr_keyword">try</strong> {
<a class="jxr_linenumber" name="175" href="#175">175</a>                 skipControlCharacters(buffer);
<a class="jxr_linenumber" name="176" href="#176">176</a>                 checkpoint(State.READ_INITIAL);
<a class="jxr_linenumber" name="177" href="#177">177</a>             } <strong class="jxr_keyword">finally</strong> {
<a class="jxr_linenumber" name="178" href="#178">178</a>                 checkpoint();
<a class="jxr_linenumber" name="179" href="#179">179</a>             }
<a class="jxr_linenumber" name="180" href="#180">180</a>         }
<a class="jxr_linenumber" name="181" href="#181">181</a>         <strong class="jxr_keyword">case</strong> READ_INITIAL: {
<a class="jxr_linenumber" name="182" href="#182">182</a>             String[] initialLine = splitInitialLine(readLine(buffer, maxInitialLineLength));
<a class="jxr_linenumber" name="183" href="#183">183</a>             <strong class="jxr_keyword">if</strong> (initialLine.length &lt; 3) {
<a class="jxr_linenumber" name="184" href="#184">184</a>                 <em class="jxr_comment">// Invalid initial line - ignore.</em>
<a class="jxr_linenumber" name="185" href="#185">185</a>                 checkpoint(State.SKIP_CONTROL_CHARS);
<a class="jxr_linenumber" name="186" href="#186">186</a>                 <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">null</strong>;
<a class="jxr_linenumber" name="187" href="#187">187</a>             }
<a class="jxr_linenumber" name="188" href="#188">188</a> 
<a class="jxr_linenumber" name="189" href="#189">189</a>             message = createMessage(initialLine);
<a class="jxr_linenumber" name="190" href="#190">190</a>             checkpoint(State.READ_HEADER);
<a class="jxr_linenumber" name="191" href="#191">191</a>         }
<a class="jxr_linenumber" name="192" href="#192">192</a>         <strong class="jxr_keyword">case</strong> READ_HEADER: {
<a class="jxr_linenumber" name="193" href="#193">193</a>             <a href="../../../../../../org/jboss/netty/handler/codec/http/HttpMessageDecoder.html">State</a> nextState = readHeaders(buffer);
<a class="jxr_linenumber" name="194" href="#194">194</a>             checkpoint(nextState);
<a class="jxr_linenumber" name="195" href="#195">195</a>             <strong class="jxr_keyword">if</strong> (nextState == State.READ_CHUNK_SIZE) {
<a class="jxr_linenumber" name="196" href="#196">196</a>                 <em class="jxr_comment">// Chunked encoding</em>
<a class="jxr_linenumber" name="197" href="#197">197</a>                 message.setChunked(<strong class="jxr_keyword">true</strong>);
<a class="jxr_linenumber" name="198" href="#198">198</a>                 <em class="jxr_comment">// Generate HttpMessage first.  HttpChunks will follow.</em>
<a class="jxr_linenumber" name="199" href="#199">199</a>                 <strong class="jxr_keyword">return</strong> message;
<a class="jxr_linenumber" name="200" href="#200">200</a>             }
<a class="jxr_linenumber" name="201" href="#201">201</a>             <strong class="jxr_keyword">if</strong> (nextState == State.SKIP_CONTROL_CHARS) {
<a class="jxr_linenumber" name="202" href="#202">202</a>                 <em class="jxr_comment">// No content is expected.</em>
<a class="jxr_linenumber" name="203" href="#203">203</a>                 <em class="jxr_comment">// Remove the headers which are not supposed to be present not</em>
<a class="jxr_linenumber" name="204" href="#204">204</a>                 <em class="jxr_comment">// to confuse subsequent handlers.</em>
<a class="jxr_linenumber" name="205" href="#205">205</a>                 message.removeHeader(HttpHeaders.Names.TRANSFER_ENCODING);
<a class="jxr_linenumber" name="206" href="#206">206</a>                 <strong class="jxr_keyword">return</strong> message;
<a class="jxr_linenumber" name="207" href="#207">207</a>             }
<a class="jxr_linenumber" name="208" href="#208">208</a>             <strong class="jxr_keyword">long</strong> contentLength = HttpHeaders.getContentLength(message, -1);
<a class="jxr_linenumber" name="209" href="#209">209</a>             <strong class="jxr_keyword">if</strong> (contentLength == 0 || contentLength == -1 &amp;&amp; isDecodingRequest()) {
<a class="jxr_linenumber" name="210" href="#210">210</a>                 content = ChannelBuffers.EMPTY_BUFFER;
<a class="jxr_linenumber" name="211" href="#211">211</a>                 <strong class="jxr_keyword">return</strong> reset();
<a class="jxr_linenumber" name="212" href="#212">212</a>             }
<a class="jxr_linenumber" name="213" href="#213">213</a> 
<a class="jxr_linenumber" name="214" href="#214">214</a>             <strong class="jxr_keyword">switch</strong> (nextState) {
<a class="jxr_linenumber" name="215" href="#215">215</a>             <strong class="jxr_keyword">case</strong> READ_FIXED_LENGTH_CONTENT:
<a class="jxr_linenumber" name="216" href="#216">216</a>                 <strong class="jxr_keyword">if</strong> (contentLength &gt; maxChunkSize || HttpHeaders.is100ContinueExpected(message)) {
<a class="jxr_linenumber" name="217" href="#217">217</a>                     <em class="jxr_comment">// Generate HttpMessage first.  HttpChunks will follow.</em>
<a class="jxr_linenumber" name="218" href="#218">218</a>                     checkpoint(State.READ_FIXED_LENGTH_CONTENT_AS_CHUNKS);
<a class="jxr_linenumber" name="219" href="#219">219</a>                     message.setChunked(<strong class="jxr_keyword">true</strong>);
<a class="jxr_linenumber" name="220" href="#220">220</a>                     <em class="jxr_comment">// chunkSize will be decreased as the READ_FIXED_LENGTH_CONTENT_AS_CHUNKS</em>
<a class="jxr_linenumber" name="221" href="#221">221</a>                     <em class="jxr_comment">// state reads data chunk by chunk.</em>
<a class="jxr_linenumber" name="222" href="#222">222</a>                     chunkSize = HttpHeaders.getContentLength(message, -1);
<a class="jxr_linenumber" name="223" href="#223">223</a>                     <strong class="jxr_keyword">return</strong> message;
<a class="jxr_linenumber" name="224" href="#224">224</a>                 }
<a class="jxr_linenumber" name="225" href="#225">225</a>                 <strong class="jxr_keyword">break</strong>;
<a class="jxr_linenumber" name="226" href="#226">226</a>             <strong class="jxr_keyword">case</strong> READ_VARIABLE_LENGTH_CONTENT:
<a class="jxr_linenumber" name="227" href="#227">227</a>                 <strong class="jxr_keyword">if</strong> (buffer.readableBytes() &gt; maxChunkSize || HttpHeaders.is100ContinueExpected(message)) {
<a class="jxr_linenumber" name="228" href="#228">228</a>                     <em class="jxr_comment">// Generate HttpMessage first.  HttpChunks will follow.</em>
<a class="jxr_linenumber" name="229" href="#229">229</a>                     checkpoint(State.READ_VARIABLE_LENGTH_CONTENT_AS_CHUNKS);
<a class="jxr_linenumber" name="230" href="#230">230</a>                     message.setChunked(<strong class="jxr_keyword">true</strong>);
<a class="jxr_linenumber" name="231" href="#231">231</a>                     <strong class="jxr_keyword">return</strong> message;
<a class="jxr_linenumber" name="232" href="#232">232</a>                 }
<a class="jxr_linenumber" name="233" href="#233">233</a>                 <strong class="jxr_keyword">break</strong>;
<a class="jxr_linenumber" name="234" href="#234">234</a>             <strong class="jxr_keyword">default</strong>:
<a class="jxr_linenumber" name="235" href="#235">235</a>                 <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IllegalStateException(<span class="jxr_string">"Unexpected state: "</span> + nextState);
<a class="jxr_linenumber" name="236" href="#236">236</a>             }
<a class="jxr_linenumber" name="237" href="#237">237</a>             <em class="jxr_comment">// We return null here, this forces decode to be called again where we will decode the content</em>
<a class="jxr_linenumber" name="238" href="#238">238</a>             <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">null</strong>;
<a class="jxr_linenumber" name="239" href="#239">239</a>         }
<a class="jxr_linenumber" name="240" href="#240">240</a>         <strong class="jxr_keyword">case</strong> READ_VARIABLE_LENGTH_CONTENT: {
<a class="jxr_linenumber" name="241" href="#241">241</a>             <strong class="jxr_keyword">int</strong> toRead = actualReadableBytes();
<a class="jxr_linenumber" name="242" href="#242">242</a>             <strong class="jxr_keyword">if</strong> (toRead &gt; maxChunkSize) {
<a class="jxr_linenumber" name="243" href="#243">243</a>                 toRead = maxChunkSize;
<a class="jxr_linenumber" name="244" href="#244">244</a>             }
<a class="jxr_linenumber" name="245" href="#245">245</a>             <strong class="jxr_keyword">if</strong> (!message.isChunked()) {
<a class="jxr_linenumber" name="246" href="#246">246</a>                 message.setChunked(<strong class="jxr_keyword">true</strong>);
<a class="jxr_linenumber" name="247" href="#247">247</a>                 <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">new</strong> Object[] {message, <strong class="jxr_keyword">new</strong> DefaultHttpChunk(buffer.readBytes(toRead))};
<a class="jxr_linenumber" name="248" href="#248">248</a>             } <strong class="jxr_keyword">else</strong> {
<a class="jxr_linenumber" name="249" href="#249">249</a>                 <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../../../org/jboss/netty/handler/codec/http/DefaultHttpChunk.html">DefaultHttpChunk</a>(buffer.readBytes(toRead));
<a class="jxr_linenumber" name="250" href="#250">250</a>             }
<a class="jxr_linenumber" name="251" href="#251">251</a>         }
<a class="jxr_linenumber" name="252" href="#252">252</a>         <strong class="jxr_keyword">case</strong> READ_VARIABLE_LENGTH_CONTENT_AS_CHUNKS: {
<a class="jxr_linenumber" name="253" href="#253">253</a>             <em class="jxr_comment">// Keep reading data as a chunk until the end of connection is reached.</em>
<a class="jxr_linenumber" name="254" href="#254">254</a>             <strong class="jxr_keyword">int</strong> toRead = actualReadableBytes();
<a class="jxr_linenumber" name="255" href="#255">255</a>             <strong class="jxr_keyword">if</strong> (toRead &gt; maxChunkSize) {
<a class="jxr_linenumber" name="256" href="#256">256</a>                 toRead = maxChunkSize;
<a class="jxr_linenumber" name="257" href="#257">257</a>             }
<a class="jxr_linenumber" name="258" href="#258">258</a>             <a href="../../../../../../org/jboss/netty/handler/codec/http/HttpChunk.html">HttpChunk</a> chunk = <strong class="jxr_keyword">new</strong> <a href="../../../../../../org/jboss/netty/handler/codec/http/DefaultHttpChunk.html">DefaultHttpChunk</a>(buffer.readBytes(toRead));
<a class="jxr_linenumber" name="259" href="#259">259</a> 
<a class="jxr_linenumber" name="260" href="#260">260</a>             <strong class="jxr_keyword">if</strong> (!buffer.readable()) {
<a class="jxr_linenumber" name="261" href="#261">261</a>                 <em class="jxr_comment">// Reached to the end of the connection.</em>
<a class="jxr_linenumber" name="262" href="#262">262</a>                 reset();
<a class="jxr_linenumber" name="263" href="#263">263</a>                 <strong class="jxr_keyword">if</strong> (!chunk.isLast()) {
<a class="jxr_linenumber" name="264" href="#264">264</a>                     <em class="jxr_comment">// Append the last chunk.</em>
<a class="jxr_linenumber" name="265" href="#265">265</a>                     <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">new</strong> Object[] { chunk, HttpChunk.LAST_CHUNK };
<a class="jxr_linenumber" name="266" href="#266">266</a>                 }
<a class="jxr_linenumber" name="267" href="#267">267</a>             }
<a class="jxr_linenumber" name="268" href="#268">268</a>             <strong class="jxr_keyword">return</strong> chunk;
<a class="jxr_linenumber" name="269" href="#269">269</a>         }
<a class="jxr_linenumber" name="270" href="#270">270</a>         <strong class="jxr_keyword">case</strong> READ_FIXED_LENGTH_CONTENT: {
<a class="jxr_linenumber" name="271" href="#271">271</a>             <strong class="jxr_keyword">return</strong> readFixedLengthContent(buffer);
<a class="jxr_linenumber" name="272" href="#272">272</a>         }
<a class="jxr_linenumber" name="273" href="#273">273</a>         <strong class="jxr_keyword">case</strong> READ_FIXED_LENGTH_CONTENT_AS_CHUNKS: {
<a class="jxr_linenumber" name="274" href="#274">274</a>             <strong class="jxr_keyword">long</strong> chunkSize = <strong class="jxr_keyword">this</strong>.chunkSize;
<a class="jxr_linenumber" name="275" href="#275">275</a>             <strong class="jxr_keyword">int</strong> readLimit = actualReadableBytes();
<a class="jxr_linenumber" name="276" href="#276">276</a> 
<a class="jxr_linenumber" name="277" href="#277">277</a>             <em class="jxr_comment">// Check if the buffer is readable first as we use the readable byte count</em>
<a class="jxr_linenumber" name="278" href="#278">278</a>             <em class="jxr_comment">// to create the HttpChunk. This is needed as otherwise we may end up with</em>
<a class="jxr_linenumber" name="279" href="#279">279</a>             <em class="jxr_comment">// create a HttpChunk instance that contains an empty buffer and so is</em>
<a class="jxr_linenumber" name="280" href="#280">280</a>             <em class="jxr_comment">// handled like it is the last HttpChunk.</em>
<a class="jxr_linenumber" name="281" href="#281">281</a>             <em class="jxr_comment">//</em>
<a class="jxr_linenumber" name="282" href="#282">282</a>             <em class="jxr_comment">// See https://github.com/netty/netty/issues/433</em>
<a class="jxr_linenumber" name="283" href="#283">283</a>             <strong class="jxr_keyword">if</strong> (readLimit == 0) {
<a class="jxr_linenumber" name="284" href="#284">284</a>                 <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">null</strong>;
<a class="jxr_linenumber" name="285" href="#285">285</a>             }
<a class="jxr_linenumber" name="286" href="#286">286</a> 
<a class="jxr_linenumber" name="287" href="#287">287</a>             <strong class="jxr_keyword">int</strong> toRead = readLimit;
<a class="jxr_linenumber" name="288" href="#288">288</a>             <strong class="jxr_keyword">if</strong> (toRead &gt; maxChunkSize) {
<a class="jxr_linenumber" name="289" href="#289">289</a>                 toRead = maxChunkSize;
<a class="jxr_linenumber" name="290" href="#290">290</a>             }
<a class="jxr_linenumber" name="291" href="#291">291</a>             <strong class="jxr_keyword">if</strong> (toRead &gt; chunkSize) {
<a class="jxr_linenumber" name="292" href="#292">292</a>                 toRead = (<strong class="jxr_keyword">int</strong>) chunkSize;
<a class="jxr_linenumber" name="293" href="#293">293</a>             }
<a class="jxr_linenumber" name="294" href="#294">294</a>             <a href="../../../../../../org/jboss/netty/handler/codec/http/HttpChunk.html">HttpChunk</a> chunk = <strong class="jxr_keyword">new</strong> <a href="../../../../../../org/jboss/netty/handler/codec/http/DefaultHttpChunk.html">DefaultHttpChunk</a>(buffer.readBytes(toRead));
<a class="jxr_linenumber" name="295" href="#295">295</a>             <strong class="jxr_keyword">if</strong> (chunkSize &gt; toRead) {
<a class="jxr_linenumber" name="296" href="#296">296</a>                 chunkSize -= toRead;
<a class="jxr_linenumber" name="297" href="#297">297</a>             } <strong class="jxr_keyword">else</strong> {
<a class="jxr_linenumber" name="298" href="#298">298</a>                 chunkSize = 0;
<a class="jxr_linenumber" name="299" href="#299">299</a>             }
<a class="jxr_linenumber" name="300" href="#300">300</a>             <strong class="jxr_keyword">this</strong>.chunkSize = chunkSize;
<a class="jxr_linenumber" name="301" href="#301">301</a> 
<a class="jxr_linenumber" name="302" href="#302">302</a>             <strong class="jxr_keyword">if</strong> (chunkSize == 0) {
<a class="jxr_linenumber" name="303" href="#303">303</a>                 <em class="jxr_comment">// Read all content.</em>
<a class="jxr_linenumber" name="304" href="#304">304</a>                 reset();
<a class="jxr_linenumber" name="305" href="#305">305</a>                 <strong class="jxr_keyword">if</strong> (!chunk.isLast()) {
<a class="jxr_linenumber" name="306" href="#306">306</a>                     <em class="jxr_comment">// Append the last chunk.</em>
<a class="jxr_linenumber" name="307" href="#307">307</a>                     <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">new</strong> Object[] { chunk, HttpChunk.LAST_CHUNK };
<a class="jxr_linenumber" name="308" href="#308">308</a>                 }
<a class="jxr_linenumber" name="309" href="#309">309</a>             }
<a class="jxr_linenumber" name="310" href="#310">310</a>             <strong class="jxr_keyword">return</strong> chunk;
<a class="jxr_linenumber" name="311" href="#311">311</a>         }
<a class="jxr_linenumber" name="312" href="#312">312</a>         <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="313" href="#313">313</a> <em class="jxr_javadoccomment">         * everything else after this point takes care of reading chunked content. basically, read chunk size,</em>
<a class="jxr_linenumber" name="314" href="#314">314</a> <em class="jxr_javadoccomment">         * read chunk, read and ignore the CRLF and repeat until 0</em>
<a class="jxr_linenumber" name="315" href="#315">315</a> <em class="jxr_javadoccomment">         */</em>
<a class="jxr_linenumber" name="316" href="#316">316</a>         <strong class="jxr_keyword">case</strong> READ_CHUNK_SIZE: {
<a class="jxr_linenumber" name="317" href="#317">317</a>             String line = readLine(buffer, maxInitialLineLength);
<a class="jxr_linenumber" name="318" href="#318">318</a>             <strong class="jxr_keyword">int</strong> chunkSize = getChunkSize(line);
<a class="jxr_linenumber" name="319" href="#319">319</a>             <strong class="jxr_keyword">this</strong>.chunkSize = chunkSize;
<a class="jxr_linenumber" name="320" href="#320">320</a>             <strong class="jxr_keyword">if</strong> (chunkSize == 0) {
<a class="jxr_linenumber" name="321" href="#321">321</a>                 checkpoint(State.READ_CHUNK_FOOTER);
<a class="jxr_linenumber" name="322" href="#322">322</a>                 <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">null</strong>;
<a class="jxr_linenumber" name="323" href="#323">323</a>             } <strong class="jxr_keyword">else</strong> <strong class="jxr_keyword">if</strong> (chunkSize &gt; maxChunkSize) {
<a class="jxr_linenumber" name="324" href="#324">324</a>                 <em class="jxr_comment">// A chunk is too large. Split them into multiple chunks again.</em>
<a class="jxr_linenumber" name="325" href="#325">325</a>                 checkpoint(State.READ_CHUNKED_CONTENT_AS_CHUNKS);
<a class="jxr_linenumber" name="326" href="#326">326</a>             } <strong class="jxr_keyword">else</strong> {
<a class="jxr_linenumber" name="327" href="#327">327</a>                 checkpoint(State.READ_CHUNKED_CONTENT);
<a class="jxr_linenumber" name="328" href="#328">328</a>             }
<a class="jxr_linenumber" name="329" href="#329">329</a>         }
<a class="jxr_linenumber" name="330" href="#330">330</a>         <strong class="jxr_keyword">case</strong> READ_CHUNKED_CONTENT: {
<a class="jxr_linenumber" name="331" href="#331">331</a>             assert chunkSize &lt;= Integer.MAX_VALUE;
<a class="jxr_linenumber" name="332" href="#332">332</a>             <a href="../../../../../../org/jboss/netty/handler/codec/http/HttpChunk.html">HttpChunk</a> chunk = <strong class="jxr_keyword">new</strong> <a href="../../../../../../org/jboss/netty/handler/codec/http/DefaultHttpChunk.html">DefaultHttpChunk</a>(buffer.readBytes((<strong class="jxr_keyword">int</strong>) chunkSize));
<a class="jxr_linenumber" name="333" href="#333">333</a>             checkpoint(State.READ_CHUNK_DELIMITER);
<a class="jxr_linenumber" name="334" href="#334">334</a>             <strong class="jxr_keyword">return</strong> chunk;
<a class="jxr_linenumber" name="335" href="#335">335</a>         }
<a class="jxr_linenumber" name="336" href="#336">336</a>         <strong class="jxr_keyword">case</strong> READ_CHUNKED_CONTENT_AS_CHUNKS: {
<a class="jxr_linenumber" name="337" href="#337">337</a>             assert chunkSize &lt;= Integer.MAX_VALUE;
<a class="jxr_linenumber" name="338" href="#338">338</a>             <strong class="jxr_keyword">int</strong> chunkSize = (<strong class="jxr_keyword">int</strong>) <strong class="jxr_keyword">this</strong>.chunkSize;
<a class="jxr_linenumber" name="339" href="#339">339</a>             <strong class="jxr_keyword">int</strong> readLimit = actualReadableBytes();
<a class="jxr_linenumber" name="340" href="#340">340</a> 
<a class="jxr_linenumber" name="341" href="#341">341</a>             <em class="jxr_comment">// Check if the buffer is readable first as we use the readable byte count</em>
<a class="jxr_linenumber" name="342" href="#342">342</a>             <em class="jxr_comment">// to create the HttpChunk. This is needed as otherwise we may end up with</em>
<a class="jxr_linenumber" name="343" href="#343">343</a>             <em class="jxr_comment">// create a HttpChunk instance that contains an empty buffer and so is</em>
<a class="jxr_linenumber" name="344" href="#344">344</a>             <em class="jxr_comment">// handled like it is the last HttpChunk.</em>
<a class="jxr_linenumber" name="345" href="#345">345</a>             <em class="jxr_comment">//</em>
<a class="jxr_linenumber" name="346" href="#346">346</a>             <em class="jxr_comment">// See https://github.com/netty/netty/issues/433</em>
<a class="jxr_linenumber" name="347" href="#347">347</a>             <strong class="jxr_keyword">if</strong> (readLimit == 0) {
<a class="jxr_linenumber" name="348" href="#348">348</a>                 <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">null</strong>;
<a class="jxr_linenumber" name="349" href="#349">349</a>             }
<a class="jxr_linenumber" name="350" href="#350">350</a> 
<a class="jxr_linenumber" name="351" href="#351">351</a>             <strong class="jxr_keyword">int</strong> toRead = chunkSize;
<a class="jxr_linenumber" name="352" href="#352">352</a>             <strong class="jxr_keyword">if</strong> (toRead &gt; maxChunkSize) {
<a class="jxr_linenumber" name="353" href="#353">353</a>                 toRead = maxChunkSize;
<a class="jxr_linenumber" name="354" href="#354">354</a>             }
<a class="jxr_linenumber" name="355" href="#355">355</a>             <strong class="jxr_keyword">if</strong> (toRead &gt; readLimit) {
<a class="jxr_linenumber" name="356" href="#356">356</a>                 toRead = readLimit;
<a class="jxr_linenumber" name="357" href="#357">357</a>             }
<a class="jxr_linenumber" name="358" href="#358">358</a>             <a href="../../../../../../org/jboss/netty/handler/codec/http/HttpChunk.html">HttpChunk</a> chunk = <strong class="jxr_keyword">new</strong> <a href="../../../../../../org/jboss/netty/handler/codec/http/DefaultHttpChunk.html">DefaultHttpChunk</a>(buffer.readBytes(toRead));
<a class="jxr_linenumber" name="359" href="#359">359</a>             <strong class="jxr_keyword">if</strong> (chunkSize &gt; toRead) {
<a class="jxr_linenumber" name="360" href="#360">360</a>                 chunkSize -= toRead;
<a class="jxr_linenumber" name="361" href="#361">361</a>             } <strong class="jxr_keyword">else</strong> {
<a class="jxr_linenumber" name="362" href="#362">362</a>                 chunkSize = 0;
<a class="jxr_linenumber" name="363" href="#363">363</a>             }
<a class="jxr_linenumber" name="364" href="#364">364</a>             <strong class="jxr_keyword">this</strong>.chunkSize = chunkSize;
<a class="jxr_linenumber" name="365" href="#365">365</a> 
<a class="jxr_linenumber" name="366" href="#366">366</a>             <strong class="jxr_keyword">if</strong> (chunkSize == 0) {
<a class="jxr_linenumber" name="367" href="#367">367</a>                 <em class="jxr_comment">// Read all content.</em>
<a class="jxr_linenumber" name="368" href="#368">368</a>                 checkpoint(State.READ_CHUNK_DELIMITER);
<a class="jxr_linenumber" name="369" href="#369">369</a>             }
<a class="jxr_linenumber" name="370" href="#370">370</a> 
<a class="jxr_linenumber" name="371" href="#371">371</a>             <strong class="jxr_keyword">if</strong> (!chunk.isLast()) {
<a class="jxr_linenumber" name="372" href="#372">372</a>                 <strong class="jxr_keyword">return</strong> chunk;
<a class="jxr_linenumber" name="373" href="#373">373</a>             }
<a class="jxr_linenumber" name="374" href="#374">374</a>         }
<a class="jxr_linenumber" name="375" href="#375">375</a>         <strong class="jxr_keyword">case</strong> READ_CHUNK_DELIMITER: {
<a class="jxr_linenumber" name="376" href="#376">376</a>             <strong class="jxr_keyword">for</strong> (;;) {
<a class="jxr_linenumber" name="377" href="#377">377</a>                 byte next = buffer.readByte();
<a class="jxr_linenumber" name="378" href="#378">378</a>                 <strong class="jxr_keyword">if</strong> (next == HttpConstants.CR) {
<a class="jxr_linenumber" name="379" href="#379">379</a>                     <strong class="jxr_keyword">if</strong> (buffer.readByte() == HttpConstants.LF) {
<a class="jxr_linenumber" name="380" href="#380">380</a>                         checkpoint(State.READ_CHUNK_SIZE);
<a class="jxr_linenumber" name="381" href="#381">381</a>                         <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">null</strong>;
<a class="jxr_linenumber" name="382" href="#382">382</a>                     }
<a class="jxr_linenumber" name="383" href="#383">383</a>                 } <strong class="jxr_keyword">else</strong> <strong class="jxr_keyword">if</strong> (next == HttpConstants.LF) {
<a class="jxr_linenumber" name="384" href="#384">384</a>                     checkpoint(State.READ_CHUNK_SIZE);
<a class="jxr_linenumber" name="385" href="#385">385</a>                     <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">null</strong>;
<a class="jxr_linenumber" name="386" href="#386">386</a>                 }
<a class="jxr_linenumber" name="387" href="#387">387</a>             }
<a class="jxr_linenumber" name="388" href="#388">388</a>         }
<a class="jxr_linenumber" name="389" href="#389">389</a>         <strong class="jxr_keyword">case</strong> READ_CHUNK_FOOTER: {
<a class="jxr_linenumber" name="390" href="#390">390</a>             <a href="../../../../../../org/jboss/netty/handler/codec/http/HttpChunkTrailer.html">HttpChunkTrailer</a> trailer = readTrailingHeaders(buffer);
<a class="jxr_linenumber" name="391" href="#391">391</a>             <strong class="jxr_keyword">if</strong> (maxChunkSize == 0) {
<a class="jxr_linenumber" name="392" href="#392">392</a>                 <em class="jxr_comment">// Chunked encoding disabled.</em>
<a class="jxr_linenumber" name="393" href="#393">393</a>                 <strong class="jxr_keyword">return</strong> reset();
<a class="jxr_linenumber" name="394" href="#394">394</a>             } <strong class="jxr_keyword">else</strong> {
<a class="jxr_linenumber" name="395" href="#395">395</a>                 reset();
<a class="jxr_linenumber" name="396" href="#396">396</a>                 <em class="jxr_comment">// The last chunk, which is empty</em>
<a class="jxr_linenumber" name="397" href="#397">397</a>                 <strong class="jxr_keyword">return</strong> trailer;
<a class="jxr_linenumber" name="398" href="#398">398</a>             }
<a class="jxr_linenumber" name="399" href="#399">399</a>         }
<a class="jxr_linenumber" name="400" href="#400">400</a>         <strong class="jxr_keyword">default</strong>: {
<a class="jxr_linenumber" name="401" href="#401">401</a>             <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> Error(<span class="jxr_string">"Shouldn't reach here."</span>);
<a class="jxr_linenumber" name="402" href="#402">402</a>         }
<a class="jxr_linenumber" name="403" href="#403">403</a>         }
<a class="jxr_linenumber" name="404" href="#404">404</a>     }
<a class="jxr_linenumber" name="405" href="#405">405</a> 
<a class="jxr_linenumber" name="406" href="#406">406</a>     <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">boolean</strong> isContentAlwaysEmpty(<a href="../../../../../../org/jboss/netty/handler/codec/http/HttpMessage.html">HttpMessage</a> msg) {
<a class="jxr_linenumber" name="407" href="#407">407</a>         <strong class="jxr_keyword">if</strong> (msg instanceof HttpResponse) {
<a class="jxr_linenumber" name="408" href="#408">408</a>             <a href="../../../../../../org/jboss/netty/handler/codec/http/HttpResponse.html">HttpResponse</a> res = (HttpResponse) msg;
<a class="jxr_linenumber" name="409" href="#409">409</a>             <strong class="jxr_keyword">int</strong> code = res.getStatus().getCode();
<a class="jxr_linenumber" name="410" href="#410">410</a> 
<a class="jxr_linenumber" name="411" href="#411">411</a>             <em class="jxr_comment">// Correctly handle return codes of 1xx.</em>
<a class="jxr_linenumber" name="412" href="#412">412</a>             <em class="jxr_comment">//</em>
<a class="jxr_linenumber" name="413" href="#413">413</a>             <em class="jxr_comment">// See:</em>
<a class="jxr_linenumber" name="414" href="#414">414</a>             <em class="jxr_comment">//     - http://www.w3.org/Protocols/rfc2616/rfc2616-sec4.html Section 4.4</em>
<a class="jxr_linenumber" name="415" href="#415">415</a>             <em class="jxr_comment">//     - https://github.com/netty/netty/issues/222</em>
<a class="jxr_linenumber" name="416" href="#416">416</a>             <strong class="jxr_keyword">if</strong> (code &gt;= 100 &amp;&amp; code &lt; 200) {
<a class="jxr_linenumber" name="417" href="#417">417</a>                 <strong class="jxr_keyword">if</strong> (code == 101 &amp;&amp; !res.containsHeader(HttpHeaders.Names.SEC_WEBSOCKET_ACCEPT)) {
<a class="jxr_linenumber" name="418" href="#418">418</a>                     <em class="jxr_comment">// It's Hixie 76 websocket handshake response</em>
<a class="jxr_linenumber" name="419" href="#419">419</a>                     <strong class="jxr_keyword">return</strong> false;
<a class="jxr_linenumber" name="420" href="#420">420</a>                 }
<a class="jxr_linenumber" name="421" href="#421">421</a>                 <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">true</strong>;
<a class="jxr_linenumber" name="422" href="#422">422</a>             }
<a class="jxr_linenumber" name="423" href="#423">423</a> 
<a class="jxr_linenumber" name="424" href="#424">424</a>             <strong class="jxr_keyword">switch</strong> (code) {
<a class="jxr_linenumber" name="425" href="#425">425</a>             <strong class="jxr_keyword">case</strong> 204: <strong class="jxr_keyword">case</strong> 205: <strong class="jxr_keyword">case</strong> 304:
<a class="jxr_linenumber" name="426" href="#426">426</a>                 <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">true</strong>;
<a class="jxr_linenumber" name="427" href="#427">427</a>             }
<a class="jxr_linenumber" name="428" href="#428">428</a>         }
<a class="jxr_linenumber" name="429" href="#429">429</a>         <strong class="jxr_keyword">return</strong> false;
<a class="jxr_linenumber" name="430" href="#430">430</a>     }
<a class="jxr_linenumber" name="431" href="#431">431</a> 
<a class="jxr_linenumber" name="432" href="#432">432</a>     <strong class="jxr_keyword">private</strong> Object reset() {
<a class="jxr_linenumber" name="433" href="#433">433</a>         <a href="../../../../../../org/jboss/netty/handler/codec/http/HttpMessage.html">HttpMessage</a> message = <strong class="jxr_keyword">this</strong>.message;
<a class="jxr_linenumber" name="434" href="#434">434</a>         <a href="../../../../../../org/jboss/netty/buffer/ChannelBuffer.html">ChannelBuffer</a> content = <strong class="jxr_keyword">this</strong>.content;
<a class="jxr_linenumber" name="435" href="#435">435</a> 
<a class="jxr_linenumber" name="436" href="#436">436</a>         <strong class="jxr_keyword">if</strong> (content != <strong class="jxr_keyword">null</strong>) {
<a class="jxr_linenumber" name="437" href="#437">437</a>             message.setContent(content);
<a class="jxr_linenumber" name="438" href="#438">438</a>             <strong class="jxr_keyword">this</strong>.content = <strong class="jxr_keyword">null</strong>;
<a class="jxr_linenumber" name="439" href="#439">439</a>         }
<a class="jxr_linenumber" name="440" href="#440">440</a>         <strong class="jxr_keyword">this</strong>.message = <strong class="jxr_keyword">null</strong>;
<a class="jxr_linenumber" name="441" href="#441">441</a> 
<a class="jxr_linenumber" name="442" href="#442">442</a>         checkpoint(State.SKIP_CONTROL_CHARS);
<a class="jxr_linenumber" name="443" href="#443">443</a>         <strong class="jxr_keyword">return</strong> message;
<a class="jxr_linenumber" name="444" href="#444">444</a>     }
<a class="jxr_linenumber" name="445" href="#445">445</a> 
<a class="jxr_linenumber" name="446" href="#446">446</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">void</strong> skipControlCharacters(<a href="../../../../../../org/jboss/netty/buffer/ChannelBuffer.html">ChannelBuffer</a> buffer) {
<a class="jxr_linenumber" name="447" href="#447">447</a>         <strong class="jxr_keyword">for</strong> (;;) {
<a class="jxr_linenumber" name="448" href="#448">448</a>             <strong class="jxr_keyword">char</strong> c = (<strong class="jxr_keyword">char</strong>) buffer.readUnsignedByte();
<a class="jxr_linenumber" name="449" href="#449">449</a>             <strong class="jxr_keyword">if</strong> (!Character.isISOControl(c) &amp;&amp;
<a class="jxr_linenumber" name="450" href="#450">450</a>                 !Character.isWhitespace(c)) {
<a class="jxr_linenumber" name="451" href="#451">451</a>                 buffer.readerIndex(buffer.readerIndex() - 1);
<a class="jxr_linenumber" name="452" href="#452">452</a>                 <strong class="jxr_keyword">break</strong>;
<a class="jxr_linenumber" name="453" href="#453">453</a>             }
<a class="jxr_linenumber" name="454" href="#454">454</a>         }
<a class="jxr_linenumber" name="455" href="#455">455</a>     }
<a class="jxr_linenumber" name="456" href="#456">456</a> 
<a class="jxr_linenumber" name="457" href="#457">457</a>     <strong class="jxr_keyword">private</strong> Object readFixedLengthContent(<a href="../../../../../../org/jboss/netty/buffer/ChannelBuffer.html">ChannelBuffer</a> buffer) {
<a class="jxr_linenumber" name="458" href="#458">458</a>         <em class="jxr_comment">//we have a content-length so we just read the correct number of bytes</em>
<a class="jxr_linenumber" name="459" href="#459">459</a>         <strong class="jxr_keyword">long</strong> length = HttpHeaders.getContentLength(message, -1);
<a class="jxr_linenumber" name="460" href="#460">460</a>         assert length &lt;= Integer.MAX_VALUE;
<a class="jxr_linenumber" name="461" href="#461">461</a>         <strong class="jxr_keyword">int</strong> toRead = (<strong class="jxr_keyword">int</strong>) length - contentRead;
<a class="jxr_linenumber" name="462" href="#462">462</a>         <strong class="jxr_keyword">if</strong> (toRead &gt; actualReadableBytes()) {
<a class="jxr_linenumber" name="463" href="#463">463</a>             toRead = actualReadableBytes();
<a class="jxr_linenumber" name="464" href="#464">464</a>         }
<a class="jxr_linenumber" name="465" href="#465">465</a>         contentRead += toRead;
<a class="jxr_linenumber" name="466" href="#466">466</a>         <strong class="jxr_keyword">if</strong> (length &lt; contentRead) {
<a class="jxr_linenumber" name="467" href="#467">467</a>             <strong class="jxr_keyword">if</strong> (!message.isChunked()) {
<a class="jxr_linenumber" name="468" href="#468">468</a>                 message.setChunked(<strong class="jxr_keyword">true</strong>);
<a class="jxr_linenumber" name="469" href="#469">469</a>                 <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">new</strong> Object[] {message, <strong class="jxr_keyword">new</strong> DefaultHttpChunk(buffer.readBytes(toRead))};
<a class="jxr_linenumber" name="470" href="#470">470</a>             } <strong class="jxr_keyword">else</strong> {
<a class="jxr_linenumber" name="471" href="#471">471</a>                 <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../../../org/jboss/netty/handler/codec/http/DefaultHttpChunk.html">DefaultHttpChunk</a>(buffer.readBytes(toRead));
<a class="jxr_linenumber" name="472" href="#472">472</a>             }
<a class="jxr_linenumber" name="473" href="#473">473</a>         }
<a class="jxr_linenumber" name="474" href="#474">474</a>         <strong class="jxr_keyword">if</strong> (content == <strong class="jxr_keyword">null</strong>) {
<a class="jxr_linenumber" name="475" href="#475">475</a>             content = buffer.readBytes((<strong class="jxr_keyword">int</strong>) length);
<a class="jxr_linenumber" name="476" href="#476">476</a>         } <strong class="jxr_keyword">else</strong> {
<a class="jxr_linenumber" name="477" href="#477">477</a>             content.writeBytes(buffer, (<strong class="jxr_keyword">int</strong>) length);
<a class="jxr_linenumber" name="478" href="#478">478</a>         }
<a class="jxr_linenumber" name="479" href="#479">479</a>         <strong class="jxr_keyword">return</strong> reset();
<a class="jxr_linenumber" name="480" href="#480">480</a>     }
<a class="jxr_linenumber" name="481" href="#481">481</a> 
<a class="jxr_linenumber" name="482" href="#482">482</a>     <strong class="jxr_keyword">private</strong> <a href="../../../../../../org/jboss/netty/handler/codec/http/HttpMessageDecoder.html">State</a> readHeaders(<a href="../../../../../../org/jboss/netty/buffer/ChannelBuffer.html">ChannelBuffer</a> buffer) <strong class="jxr_keyword">throws</strong> TooLongFrameException {
<a class="jxr_linenumber" name="483" href="#483">483</a>         headerSize = 0;
<a class="jxr_linenumber" name="484" href="#484">484</a>         <strong class="jxr_keyword">final</strong> <a href="../../../../../../org/jboss/netty/handler/codec/http/HttpMessage.html">HttpMessage</a> message = <strong class="jxr_keyword">this</strong>.message;
<a class="jxr_linenumber" name="485" href="#485">485</a>         String line = readHeader(buffer);
<a class="jxr_linenumber" name="486" href="#486">486</a>         String name = <strong class="jxr_keyword">null</strong>;
<a class="jxr_linenumber" name="487" href="#487">487</a>         String value = <strong class="jxr_keyword">null</strong>;
<a class="jxr_linenumber" name="488" href="#488">488</a>         <strong class="jxr_keyword">if</strong> (line.length() != 0) {
<a class="jxr_linenumber" name="489" href="#489">489</a>             message.clearHeaders();
<a class="jxr_linenumber" name="490" href="#490">490</a>             <strong class="jxr_keyword">do</strong> {
<a class="jxr_linenumber" name="491" href="#491">491</a>                 <strong class="jxr_keyword">char</strong> firstChar = line.charAt(0);
<a class="jxr_linenumber" name="492" href="#492">492</a>                 <strong class="jxr_keyword">if</strong> (name != <strong class="jxr_keyword">null</strong> &amp;&amp; (firstChar == ' ' || firstChar == '\t')) {
<a class="jxr_linenumber" name="493" href="#493">493</a>                     value = value + ' ' + line.trim();
<a class="jxr_linenumber" name="494" href="#494">494</a>                 } <strong class="jxr_keyword">else</strong> {
<a class="jxr_linenumber" name="495" href="#495">495</a>                     <strong class="jxr_keyword">if</strong> (name != <strong class="jxr_keyword">null</strong>) {
<a class="jxr_linenumber" name="496" href="#496">496</a>                         message.addHeader(name, value);
<a class="jxr_linenumber" name="497" href="#497">497</a>                     }
<a class="jxr_linenumber" name="498" href="#498">498</a>                     String[] header = splitHeader(line);
<a class="jxr_linenumber" name="499" href="#499">499</a>                     name = header[0];
<a class="jxr_linenumber" name="500" href="#500">500</a>                     value = header[1];
<a class="jxr_linenumber" name="501" href="#501">501</a>                 }
<a class="jxr_linenumber" name="502" href="#502">502</a> 
<a class="jxr_linenumber" name="503" href="#503">503</a>                 line = readHeader(buffer);
<a class="jxr_linenumber" name="504" href="#504">504</a>             } <strong class="jxr_keyword">while</strong> (line.length() != 0);
<a class="jxr_linenumber" name="505" href="#505">505</a> 
<a class="jxr_linenumber" name="506" href="#506">506</a>             <em class="jxr_comment">// Add the last header.</em>
<a class="jxr_linenumber" name="507" href="#507">507</a>             <strong class="jxr_keyword">if</strong> (name != <strong class="jxr_keyword">null</strong>) {
<a class="jxr_linenumber" name="508" href="#508">508</a>                 message.addHeader(name, value);
<a class="jxr_linenumber" name="509" href="#509">509</a>             }
<a class="jxr_linenumber" name="510" href="#510">510</a>         }
<a class="jxr_linenumber" name="511" href="#511">511</a> 
<a class="jxr_linenumber" name="512" href="#512">512</a>         <a href="../../../../../../org/jboss/netty/handler/codec/http/HttpMessageDecoder.html">State</a> nextState;
<a class="jxr_linenumber" name="513" href="#513">513</a> 
<a class="jxr_linenumber" name="514" href="#514">514</a>         <strong class="jxr_keyword">if</strong> (isContentAlwaysEmpty(message)) {
<a class="jxr_linenumber" name="515" href="#515">515</a>             nextState = State.SKIP_CONTROL_CHARS;
<a class="jxr_linenumber" name="516" href="#516">516</a>         } <strong class="jxr_keyword">else</strong> <strong class="jxr_keyword">if</strong> (message.isChunked()) {
<a class="jxr_linenumber" name="517" href="#517">517</a>             <em class="jxr_comment">// HttpMessage.isChunked() returns true when either:</em>
<a class="jxr_linenumber" name="518" href="#518">518</a>             <em class="jxr_comment">// 1) HttpMessage.setChunked(true) was called or</em>
<a class="jxr_linenumber" name="519" href="#519">519</a>             <em class="jxr_comment">// 2) 'Transfer-Encoding' is 'chunked'.</em>
<a class="jxr_linenumber" name="520" href="#520">520</a>             <em class="jxr_comment">// Because this decoder did not call HttpMessage.setChunked(true)</em>
<a class="jxr_linenumber" name="521" href="#521">521</a>             <em class="jxr_comment">// yet, HttpMessage.isChunked() should return true only when</em>
<a class="jxr_linenumber" name="522" href="#522">522</a>             <em class="jxr_comment">// 'Transfer-Encoding' is 'chunked'.</em>
<a class="jxr_linenumber" name="523" href="#523">523</a>             nextState = State.READ_CHUNK_SIZE;
<a class="jxr_linenumber" name="524" href="#524">524</a>         } <strong class="jxr_keyword">else</strong> <strong class="jxr_keyword">if</strong> (HttpHeaders.getContentLength(message, -1) &gt;= 0) {
<a class="jxr_linenumber" name="525" href="#525">525</a>             nextState = State.READ_FIXED_LENGTH_CONTENT;
<a class="jxr_linenumber" name="526" href="#526">526</a>         } <strong class="jxr_keyword">else</strong> {
<a class="jxr_linenumber" name="527" href="#527">527</a>             nextState = State.READ_VARIABLE_LENGTH_CONTENT;
<a class="jxr_linenumber" name="528" href="#528">528</a>         }
<a class="jxr_linenumber" name="529" href="#529">529</a>         <strong class="jxr_keyword">return</strong> nextState;
<a class="jxr_linenumber" name="530" href="#530">530</a>     }
<a class="jxr_linenumber" name="531" href="#531">531</a> 
<a class="jxr_linenumber" name="532" href="#532">532</a>     <strong class="jxr_keyword">private</strong> <a href="../../../../../../org/jboss/netty/handler/codec/http/HttpChunkTrailer.html">HttpChunkTrailer</a> readTrailingHeaders(<a href="../../../../../../org/jboss/netty/buffer/ChannelBuffer.html">ChannelBuffer</a> buffer) <strong class="jxr_keyword">throws</strong> TooLongFrameException {
<a class="jxr_linenumber" name="533" href="#533">533</a>         headerSize = 0;
<a class="jxr_linenumber" name="534" href="#534">534</a>         String line = readHeader(buffer);
<a class="jxr_linenumber" name="535" href="#535">535</a>         String lastHeader = <strong class="jxr_keyword">null</strong>;
<a class="jxr_linenumber" name="536" href="#536">536</a>         <strong class="jxr_keyword">if</strong> (line.length() != 0) {
<a class="jxr_linenumber" name="537" href="#537">537</a>             <a href="../../../../../../org/jboss/netty/handler/codec/http/HttpChunkTrailer.html">HttpChunkTrailer</a> trailer = <strong class="jxr_keyword">new</strong> <a href="../../../../../../org/jboss/netty/handler/codec/http/DefaultHttpChunkTrailer.html">DefaultHttpChunkTrailer</a>();
<a class="jxr_linenumber" name="538" href="#538">538</a>             <strong class="jxr_keyword">do</strong> {
<a class="jxr_linenumber" name="539" href="#539">539</a>                 <strong class="jxr_keyword">char</strong> firstChar = line.charAt(0);
<a class="jxr_linenumber" name="540" href="#540">540</a>                 <strong class="jxr_keyword">if</strong> (lastHeader != <strong class="jxr_keyword">null</strong> &amp;&amp; (firstChar == ' ' || firstChar == '\t')) {
<a class="jxr_linenumber" name="541" href="#541">541</a>                     List&lt;String&gt; current = trailer.getHeaders(lastHeader);
<a class="jxr_linenumber" name="542" href="#542">542</a>                     <strong class="jxr_keyword">if</strong> (!current.isEmpty()) {
<a class="jxr_linenumber" name="543" href="#543">543</a>                         <strong class="jxr_keyword">int</strong> lastPos = current.size() - 1;
<a class="jxr_linenumber" name="544" href="#544">544</a>                         String newString = current.get(lastPos) + line.trim();
<a class="jxr_linenumber" name="545" href="#545">545</a>                         current.set(lastPos, newString);
<a class="jxr_linenumber" name="546" href="#546">546</a>                     } <strong class="jxr_keyword">else</strong> {
<a class="jxr_linenumber" name="547" href="#547">547</a>                         <em class="jxr_comment">// Content-Length, Transfer-Encoding, or Trailer</em>
<a class="jxr_linenumber" name="548" href="#548">548</a>                     }
<a class="jxr_linenumber" name="549" href="#549">549</a>                 } <strong class="jxr_keyword">else</strong> {
<a class="jxr_linenumber" name="550" href="#550">550</a>                     String[] header = splitHeader(line);
<a class="jxr_linenumber" name="551" href="#551">551</a>                     String name = header[0];
<a class="jxr_linenumber" name="552" href="#552">552</a>                     <strong class="jxr_keyword">if</strong> (!name.equalsIgnoreCase(HttpHeaders.Names.CONTENT_LENGTH) &amp;&amp;
<a class="jxr_linenumber" name="553" href="#553">553</a>                         !name.equalsIgnoreCase(HttpHeaders.Names.TRANSFER_ENCODING) &amp;&amp;
<a class="jxr_linenumber" name="554" href="#554">554</a>                         !name.equalsIgnoreCase(HttpHeaders.Names.TRAILER)) {
<a class="jxr_linenumber" name="555" href="#555">555</a>                         trailer.addHeader(name, header[1]);
<a class="jxr_linenumber" name="556" href="#556">556</a>                     }
<a class="jxr_linenumber" name="557" href="#557">557</a>                     lastHeader = name;
<a class="jxr_linenumber" name="558" href="#558">558</a>                 }
<a class="jxr_linenumber" name="559" href="#559">559</a> 
<a class="jxr_linenumber" name="560" href="#560">560</a>                 line = readHeader(buffer);
<a class="jxr_linenumber" name="561" href="#561">561</a>             } <strong class="jxr_keyword">while</strong> (line.length() != 0);
<a class="jxr_linenumber" name="562" href="#562">562</a> 
<a class="jxr_linenumber" name="563" href="#563">563</a>             <strong class="jxr_keyword">return</strong> trailer;
<a class="jxr_linenumber" name="564" href="#564">564</a>         }
<a class="jxr_linenumber" name="565" href="#565">565</a> 
<a class="jxr_linenumber" name="566" href="#566">566</a>         <strong class="jxr_keyword">return</strong> HttpChunk.LAST_CHUNK;
<a class="jxr_linenumber" name="567" href="#567">567</a>     }
<a class="jxr_linenumber" name="568" href="#568">568</a> 
<a class="jxr_linenumber" name="569" href="#569">569</a>     <strong class="jxr_keyword">private</strong> String readHeader(<a href="../../../../../../org/jboss/netty/buffer/ChannelBuffer.html">ChannelBuffer</a> buffer) <strong class="jxr_keyword">throws</strong> TooLongFrameException {
<a class="jxr_linenumber" name="570" href="#570">570</a>         StringBuilder sb = <strong class="jxr_keyword">new</strong> StringBuilder(64);
<a class="jxr_linenumber" name="571" href="#571">571</a>         <strong class="jxr_keyword">int</strong> headerSize = <strong class="jxr_keyword">this</strong>.headerSize;
<a class="jxr_linenumber" name="572" href="#572">572</a> 
<a class="jxr_linenumber" name="573" href="#573">573</a>         loop:
<a class="jxr_linenumber" name="574" href="#574">574</a>         <strong class="jxr_keyword">for</strong> (;;) {
<a class="jxr_linenumber" name="575" href="#575">575</a>             <strong class="jxr_keyword">char</strong> nextByte = (<strong class="jxr_keyword">char</strong>) buffer.readByte();
<a class="jxr_linenumber" name="576" href="#576">576</a>             headerSize ++;
<a class="jxr_linenumber" name="577" href="#577">577</a> 
<a class="jxr_linenumber" name="578" href="#578">578</a>             <strong class="jxr_keyword">switch</strong> (nextByte) {
<a class="jxr_linenumber" name="579" href="#579">579</a>             <strong class="jxr_keyword">case</strong> HttpConstants.CR:
<a class="jxr_linenumber" name="580" href="#580">580</a>                 nextByte = (<strong class="jxr_keyword">char</strong>) buffer.readByte();
<a class="jxr_linenumber" name="581" href="#581">581</a>                 headerSize ++;
<a class="jxr_linenumber" name="582" href="#582">582</a>                 <strong class="jxr_keyword">if</strong> (nextByte == HttpConstants.LF) {
<a class="jxr_linenumber" name="583" href="#583">583</a>                     <strong class="jxr_keyword">break</strong> loop;
<a class="jxr_linenumber" name="584" href="#584">584</a>                 }
<a class="jxr_linenumber" name="585" href="#585">585</a>                 <strong class="jxr_keyword">break</strong>;
<a class="jxr_linenumber" name="586" href="#586">586</a>             <strong class="jxr_keyword">case</strong> HttpConstants.LF:
<a class="jxr_linenumber" name="587" href="#587">587</a>                 <strong class="jxr_keyword">break</strong> loop;
<a class="jxr_linenumber" name="588" href="#588">588</a>             }
<a class="jxr_linenumber" name="589" href="#589">589</a> 
<a class="jxr_linenumber" name="590" href="#590">590</a>             <em class="jxr_comment">// Abort decoding if the header part is too large.</em>
<a class="jxr_linenumber" name="591" href="#591">591</a>             <strong class="jxr_keyword">if</strong> (headerSize &gt;= maxHeaderSize) {
<a class="jxr_linenumber" name="592" href="#592">592</a>                 <em class="jxr_comment">// TODO: Respond with Bad Request and discard the traffic</em>
<a class="jxr_linenumber" name="593" href="#593">593</a>                 <em class="jxr_comment">//    or close the connection.</em>
<a class="jxr_linenumber" name="594" href="#594">594</a>                 <em class="jxr_comment">//       No need to notify the upstream handlers - just log.</em>
<a class="jxr_linenumber" name="595" href="#595">595</a>                 <em class="jxr_comment">//       If decoding a response, just throw an exception.</em>
<a class="jxr_linenumber" name="596" href="#596">596</a>                 <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../../../org/jboss/netty/handler/codec/frame/TooLongFrameException.html">TooLongFrameException</a>(
<a class="jxr_linenumber" name="597" href="#597">597</a>                         <span class="jxr_string">"HTTP header is larger than "</span> +
<a class="jxr_linenumber" name="598" href="#598">598</a>                         maxHeaderSize + <span class="jxr_string">" bytes."</span>);
<a class="jxr_linenumber" name="599" href="#599">599</a>             }
<a class="jxr_linenumber" name="600" href="#600">600</a> 
<a class="jxr_linenumber" name="601" href="#601">601</a>             sb.append(nextByte);
<a class="jxr_linenumber" name="602" href="#602">602</a>         }
<a class="jxr_linenumber" name="603" href="#603">603</a> 
<a class="jxr_linenumber" name="604" href="#604">604</a>         <strong class="jxr_keyword">this</strong>.headerSize = headerSize;
<a class="jxr_linenumber" name="605" href="#605">605</a>         <strong class="jxr_keyword">return</strong> sb.toString();
<a class="jxr_linenumber" name="606" href="#606">606</a>     }
<a class="jxr_linenumber" name="607" href="#607">607</a> 
<a class="jxr_linenumber" name="608" href="#608">608</a>     <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">abstract</strong> <strong class="jxr_keyword">boolean</strong> isDecodingRequest();
<a class="jxr_linenumber" name="609" href="#609">609</a>     <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">abstract</strong> <a href="../../../../../../org/jboss/netty/handler/codec/http/HttpMessage.html">HttpMessage</a> createMessage(String[] initialLine) <strong class="jxr_keyword">throws</strong> Exception;
<a class="jxr_linenumber" name="610" href="#610">610</a> 
<a class="jxr_linenumber" name="611" href="#611">611</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">int</strong> getChunkSize(String hex) {
<a class="jxr_linenumber" name="612" href="#612">612</a>         hex = hex.trim();
<a class="jxr_linenumber" name="613" href="#613">613</a>         <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 0; i &lt; hex.length(); i ++) {
<a class="jxr_linenumber" name="614" href="#614">614</a>             <strong class="jxr_keyword">char</strong> c = hex.charAt(i);
<a class="jxr_linenumber" name="615" href="#615">615</a>             <strong class="jxr_keyword">if</strong> (c == ';' || Character.isWhitespace(c) || Character.isISOControl(c)) {
<a class="jxr_linenumber" name="616" href="#616">616</a>                 hex = hex.substring(0, i);
<a class="jxr_linenumber" name="617" href="#617">617</a>                 <strong class="jxr_keyword">break</strong>;
<a class="jxr_linenumber" name="618" href="#618">618</a>             }
<a class="jxr_linenumber" name="619" href="#619">619</a>         }
<a class="jxr_linenumber" name="620" href="#620">620</a> 
<a class="jxr_linenumber" name="621" href="#621">621</a>         <strong class="jxr_keyword">return</strong> Integer.parseInt(hex, 16);
<a class="jxr_linenumber" name="622" href="#622">622</a>     }
<a class="jxr_linenumber" name="623" href="#623">623</a> 
<a class="jxr_linenumber" name="624" href="#624">624</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> String readLine(<a href="../../../../../../org/jboss/netty/buffer/ChannelBuffer.html">ChannelBuffer</a> buffer, <strong class="jxr_keyword">int</strong> maxLineLength) <strong class="jxr_keyword">throws</strong> TooLongFrameException {
<a class="jxr_linenumber" name="625" href="#625">625</a>         StringBuilder sb = <strong class="jxr_keyword">new</strong> StringBuilder(64);
<a class="jxr_linenumber" name="626" href="#626">626</a>         <strong class="jxr_keyword">int</strong> lineLength = 0;
<a class="jxr_linenumber" name="627" href="#627">627</a>         <strong class="jxr_keyword">while</strong> (<strong class="jxr_keyword">true</strong>) {
<a class="jxr_linenumber" name="628" href="#628">628</a>             byte nextByte = buffer.readByte();
<a class="jxr_linenumber" name="629" href="#629">629</a>             <strong class="jxr_keyword">if</strong> (nextByte == HttpConstants.CR) {
<a class="jxr_linenumber" name="630" href="#630">630</a>                 nextByte = buffer.readByte();
<a class="jxr_linenumber" name="631" href="#631">631</a>                 <strong class="jxr_keyword">if</strong> (nextByte == HttpConstants.LF) {
<a class="jxr_linenumber" name="632" href="#632">632</a>                     <strong class="jxr_keyword">return</strong> sb.toString();
<a class="jxr_linenumber" name="633" href="#633">633</a>                 }
<a class="jxr_linenumber" name="634" href="#634">634</a>             } <strong class="jxr_keyword">else</strong> <strong class="jxr_keyword">if</strong> (nextByte == HttpConstants.LF) {
<a class="jxr_linenumber" name="635" href="#635">635</a>                 <strong class="jxr_keyword">return</strong> sb.toString();
<a class="jxr_linenumber" name="636" href="#636">636</a>             } <strong class="jxr_keyword">else</strong> {
<a class="jxr_linenumber" name="637" href="#637">637</a>                 <strong class="jxr_keyword">if</strong> (lineLength &gt;= maxLineLength) {
<a class="jxr_linenumber" name="638" href="#638">638</a>                     <em class="jxr_comment">// TODO: Respond with Bad Request and discard the traffic</em>
<a class="jxr_linenumber" name="639" href="#639">639</a>                     <em class="jxr_comment">//    or close the connection.</em>
<a class="jxr_linenumber" name="640" href="#640">640</a>                     <em class="jxr_comment">//       No need to notify the upstream handlers - just log.</em>
<a class="jxr_linenumber" name="641" href="#641">641</a>                     <em class="jxr_comment">//       If decoding a response, just throw an exception.</em>
<a class="jxr_linenumber" name="642" href="#642">642</a>                     <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../../../org/jboss/netty/handler/codec/frame/TooLongFrameException.html">TooLongFrameException</a>(
<a class="jxr_linenumber" name="643" href="#643">643</a>                             <span class="jxr_string">"An HTTP line is larger than "</span> + maxLineLength +
<a class="jxr_linenumber" name="644" href="#644">644</a>                             <span class="jxr_string">" bytes."</span>);
<a class="jxr_linenumber" name="645" href="#645">645</a>                 }
<a class="jxr_linenumber" name="646" href="#646">646</a>                 lineLength ++;
<a class="jxr_linenumber" name="647" href="#647">647</a>                 sb.append((<strong class="jxr_keyword">char</strong>) nextByte);
<a class="jxr_linenumber" name="648" href="#648">648</a>             }
<a class="jxr_linenumber" name="649" href="#649">649</a>         }
<a class="jxr_linenumber" name="650" href="#650">650</a>     }
<a class="jxr_linenumber" name="651" href="#651">651</a> 
<a class="jxr_linenumber" name="652" href="#652">652</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> String[] splitInitialLine(String sb) {
<a class="jxr_linenumber" name="653" href="#653">653</a>         <strong class="jxr_keyword">int</strong> aStart;
<a class="jxr_linenumber" name="654" href="#654">654</a>         <strong class="jxr_keyword">int</strong> aEnd;
<a class="jxr_linenumber" name="655" href="#655">655</a>         <strong class="jxr_keyword">int</strong> bStart;
<a class="jxr_linenumber" name="656" href="#656">656</a>         <strong class="jxr_keyword">int</strong> bEnd;
<a class="jxr_linenumber" name="657" href="#657">657</a>         <strong class="jxr_keyword">int</strong> cStart;
<a class="jxr_linenumber" name="658" href="#658">658</a>         <strong class="jxr_keyword">int</strong> cEnd;
<a class="jxr_linenumber" name="659" href="#659">659</a> 
<a class="jxr_linenumber" name="660" href="#660">660</a>         aStart = findNonWhitespace(sb, 0);
<a class="jxr_linenumber" name="661" href="#661">661</a>         aEnd = findWhitespace(sb, aStart);
<a class="jxr_linenumber" name="662" href="#662">662</a> 
<a class="jxr_linenumber" name="663" href="#663">663</a>         bStart = findNonWhitespace(sb, aEnd);
<a class="jxr_linenumber" name="664" href="#664">664</a>         bEnd = findWhitespace(sb, bStart);
<a class="jxr_linenumber" name="665" href="#665">665</a> 
<a class="jxr_linenumber" name="666" href="#666">666</a>         cStart = findNonWhitespace(sb, bEnd);
<a class="jxr_linenumber" name="667" href="#667">667</a>         cEnd = findEndOfString(sb);
<a class="jxr_linenumber" name="668" href="#668">668</a> 
<a class="jxr_linenumber" name="669" href="#669">669</a>         <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">new</strong> String[] {
<a class="jxr_linenumber" name="670" href="#670">670</a>                 sb.substring(aStart, aEnd),
<a class="jxr_linenumber" name="671" href="#671">671</a>                 sb.substring(bStart, bEnd),
<a class="jxr_linenumber" name="672" href="#672">672</a>                 cStart &lt; cEnd? sb.substring(cStart, cEnd) : <span class="jxr_string">""</span> };
<a class="jxr_linenumber" name="673" href="#673">673</a>     }
<a class="jxr_linenumber" name="674" href="#674">674</a> 
<a class="jxr_linenumber" name="675" href="#675">675</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> String[] splitHeader(String sb) {
<a class="jxr_linenumber" name="676" href="#676">676</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> length = sb.length();
<a class="jxr_linenumber" name="677" href="#677">677</a>         <strong class="jxr_keyword">int</strong> nameStart;
<a class="jxr_linenumber" name="678" href="#678">678</a>         <strong class="jxr_keyword">int</strong> nameEnd;
<a class="jxr_linenumber" name="679" href="#679">679</a>         <strong class="jxr_keyword">int</strong> colonEnd;
<a class="jxr_linenumber" name="680" href="#680">680</a>         <strong class="jxr_keyword">int</strong> valueStart;
<a class="jxr_linenumber" name="681" href="#681">681</a>         <strong class="jxr_keyword">int</strong> valueEnd;
<a class="jxr_linenumber" name="682" href="#682">682</a> 
<a class="jxr_linenumber" name="683" href="#683">683</a>         nameStart = findNonWhitespace(sb, 0);
<a class="jxr_linenumber" name="684" href="#684">684</a>         <strong class="jxr_keyword">for</strong> (nameEnd = nameStart; nameEnd &lt; length; nameEnd ++) {
<a class="jxr_linenumber" name="685" href="#685">685</a>             <strong class="jxr_keyword">char</strong> ch = sb.charAt(nameEnd);
<a class="jxr_linenumber" name="686" href="#686">686</a>             <strong class="jxr_keyword">if</strong> (ch == ':' || Character.isWhitespace(ch)) {
<a class="jxr_linenumber" name="687" href="#687">687</a>                 <strong class="jxr_keyword">break</strong>;
<a class="jxr_linenumber" name="688" href="#688">688</a>             }
<a class="jxr_linenumber" name="689" href="#689">689</a>         }
<a class="jxr_linenumber" name="690" href="#690">690</a> 
<a class="jxr_linenumber" name="691" href="#691">691</a>         <strong class="jxr_keyword">for</strong> (colonEnd = nameEnd; colonEnd &lt; length; colonEnd ++) {
<a class="jxr_linenumber" name="692" href="#692">692</a>             <strong class="jxr_keyword">if</strong> (sb.charAt(colonEnd) == ':') {
<a class="jxr_linenumber" name="693" href="#693">693</a>                 colonEnd ++;
<a class="jxr_linenumber" name="694" href="#694">694</a>                 <strong class="jxr_keyword">break</strong>;
<a class="jxr_linenumber" name="695" href="#695">695</a>             }
<a class="jxr_linenumber" name="696" href="#696">696</a>         }
<a class="jxr_linenumber" name="697" href="#697">697</a> 
<a class="jxr_linenumber" name="698" href="#698">698</a>         valueStart = findNonWhitespace(sb, colonEnd);
<a class="jxr_linenumber" name="699" href="#699">699</a>         <strong class="jxr_keyword">if</strong> (valueStart == length) {
<a class="jxr_linenumber" name="700" href="#700">700</a>             <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">new</strong> String[] {
<a class="jxr_linenumber" name="701" href="#701">701</a>                     sb.substring(nameStart, nameEnd),
<a class="jxr_linenumber" name="702" href="#702">702</a>                     <span class="jxr_string">""</span>
<a class="jxr_linenumber" name="703" href="#703">703</a>             };
<a class="jxr_linenumber" name="704" href="#704">704</a>         }
<a class="jxr_linenumber" name="705" href="#705">705</a> 
<a class="jxr_linenumber" name="706" href="#706">706</a>         valueEnd = findEndOfString(sb);
<a class="jxr_linenumber" name="707" href="#707">707</a>         <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">new</strong> String[] {
<a class="jxr_linenumber" name="708" href="#708">708</a>                 sb.substring(nameStart, nameEnd),
<a class="jxr_linenumber" name="709" href="#709">709</a>                 sb.substring(valueStart, valueEnd)
<a class="jxr_linenumber" name="710" href="#710">710</a>         };
<a class="jxr_linenumber" name="711" href="#711">711</a>     }
<a class="jxr_linenumber" name="712" href="#712">712</a> 
<a class="jxr_linenumber" name="713" href="#713">713</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">int</strong> findNonWhitespace(String sb, <strong class="jxr_keyword">int</strong> offset) {
<a class="jxr_linenumber" name="714" href="#714">714</a>         <strong class="jxr_keyword">int</strong> result;
<a class="jxr_linenumber" name="715" href="#715">715</a>         <strong class="jxr_keyword">for</strong> (result = offset; result &lt; sb.length(); result ++) {
<a class="jxr_linenumber" name="716" href="#716">716</a>             <strong class="jxr_keyword">if</strong> (!Character.isWhitespace(sb.charAt(result))) {
<a class="jxr_linenumber" name="717" href="#717">717</a>                 <strong class="jxr_keyword">break</strong>;
<a class="jxr_linenumber" name="718" href="#718">718</a>             }
<a class="jxr_linenumber" name="719" href="#719">719</a>         }
<a class="jxr_linenumber" name="720" href="#720">720</a>         <strong class="jxr_keyword">return</strong> result;
<a class="jxr_linenumber" name="721" href="#721">721</a>     }
<a class="jxr_linenumber" name="722" href="#722">722</a> 
<a class="jxr_linenumber" name="723" href="#723">723</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">int</strong> findWhitespace(String sb, <strong class="jxr_keyword">int</strong> offset) {
<a class="jxr_linenumber" name="724" href="#724">724</a>         <strong class="jxr_keyword">int</strong> result;
<a class="jxr_linenumber" name="725" href="#725">725</a>         <strong class="jxr_keyword">for</strong> (result = offset; result &lt; sb.length(); result ++) {
<a class="jxr_linenumber" name="726" href="#726">726</a>             <strong class="jxr_keyword">if</strong> (Character.isWhitespace(sb.charAt(result))) {
<a class="jxr_linenumber" name="727" href="#727">727</a>                 <strong class="jxr_keyword">break</strong>;
<a class="jxr_linenumber" name="728" href="#728">728</a>             }
<a class="jxr_linenumber" name="729" href="#729">729</a>         }
<a class="jxr_linenumber" name="730" href="#730">730</a>         <strong class="jxr_keyword">return</strong> result;
<a class="jxr_linenumber" name="731" href="#731">731</a>     }
<a class="jxr_linenumber" name="732" href="#732">732</a> 
<a class="jxr_linenumber" name="733" href="#733">733</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">int</strong> findEndOfString(String sb) {
<a class="jxr_linenumber" name="734" href="#734">734</a>         <strong class="jxr_keyword">int</strong> result;
<a class="jxr_linenumber" name="735" href="#735">735</a>         <strong class="jxr_keyword">for</strong> (result = sb.length(); result &gt; 0; result --) {
<a class="jxr_linenumber" name="736" href="#736">736</a>             <strong class="jxr_keyword">if</strong> (!Character.isWhitespace(sb.charAt(result - 1))) {
<a class="jxr_linenumber" name="737" href="#737">737</a>                 <strong class="jxr_keyword">break</strong>;
<a class="jxr_linenumber" name="738" href="#738">738</a>             }
<a class="jxr_linenumber" name="739" href="#739">739</a>         }
<a class="jxr_linenumber" name="740" href="#740">740</a>         <strong class="jxr_keyword">return</strong> result;
<a class="jxr_linenumber" name="741" href="#741">741</a>     }
<a class="jxr_linenumber" name="742" href="#742">742</a> }
</pre>
<hr/><div id="footer">This page was automatically generated by <a href="http://maven.apache.org/">Maven</a></div></body>
</html>

